Factors of 730

All factors of 730

Here are all 8 factors of 730, listed from smallest to largest.

Factor pairs of 730

These 4 pairs of whole numbers each multiply to give 730.

Prime factorization of 730

Dividing 730 by the smallest prime at each step gives its prime factorization:

The distinct prime factors of 730 are 2, 5, 73. To factorize any other number, use the prime factorization calculator.

Factor tree of 730

A factor tree shows the same prime factorization visually. Each composite branch splits until every endpoint is a prime number.

Properties of 730

What makes 730 interesting

• 730 is a composite number, meaning it has more than two factors. It can be written as a product of smaller whole numbers in 4 different ways.
• 730 is a deficient number: its proper factors sum to 602, which is 128 less than 730 itself.
• 730 has 3 distinct prime factors (2, 5, 73), which is why it has so many divisors.

How to find the factors of 730 yourself

Divide 730 by each whole number starting from 1. Whenever the division leaves no remainder, both the divisor and the quotient are factors. You only need to test up to √730 ≈ 27.02, because every factor above that pairs with one below it.

Reading both columns gives every factor: 1, 2, 5, 10, 73, 146, 365, 730. The factor calculator does this automatically for any number.